Fun with Frost
Lest We Remember: Cold Boot Attacks on Encryption Keys
A simple technique for looking for memory leaks is applied to the problem of determining memory persistence, with the novel assistance of a sharp thermal gradient. Not as photogenic as the liquid oxygen meets oxidants experiments (how to put a backyard barbie into low neighborhood orbit), but there are some pictures.
Enjoy. Something to keep in mind when entering or exiting a "cryptographically challenged jurisdiction" with a laptop at the approach of a White Shirt armed with ... only a can of compressed air.
